144919280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 80

約数和(自身を含む): 370878048

約数和(自身を除く): 225958768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1331, 1361, 1936, 2420, 2662, 2722, 4840, 5324, 5444, 6655, 6805, 9680, 10648, 10888, 13310, 13610, 14971, 21296, 21776, 26620, 27220, 29942, 53240, 54440, 59884, 74855, 106480, 108880, 119768, 149710, 164681, 239536, 299420, 329362, 598840, 658724, 823405, 1197680, 1317448, 1646810, 1811491, 2634896, 3293620, 3622982, 6587240, 7245964, 9057455, 13174480, 14491928, 18114910, 28983856, 36229820, 72459640, 144919280]

約数ペア:

[(1, 144919280), (2, 72459640), (4, 36229820), (5, 28983856), (8, 18114910), (10, 14491928), (11, 13174480), (16, 9057455), (20, 7245964), (22, 6587240), (40, 3622982), (44, 3293620), (55, 2634896), (80, 1811491), (88, 1646810), (110, 1317448), (121, 1197680), (176, 823405), (220, 658724), (242, 598840), (440, 329362), (484, 299420), (605, 239536), (880, 164681), (968, 149710), (1210, 119768), (1331, 108880), (1361, 106480), (1936, 74855), (2420, 59884), (2662, 54440), (2722, 53240), (4840, 29942), (5324, 27220), (5444, 26620), (6655, 21776), (6805, 21296), (9680, 14971), (10648, 13610), (10888, 13310)]